MX record without an A record

Discussion in 'DNS Server' started by Simon Geary, Nov 24, 2005.

  1. Simon Geary

    Simon Geary Guest

    Hi all,

    The domain I am working on is We have three MX records, two of
    which point to and The third record points to
    our ISP.

    We have no A records for either the mail1 or mail2 addresses. Instead, has an NS record that points to a completely different FQDN
    and it is this in turn that has an A record. So the zone might look a bit
    like this: MX 10 MX 15 NS NS A

    Email is mostly working fine, but does this sound like a problem
    configuration? From what I have read this is not RFC compliant as the MX
    record does not have a corresponding A record but should I even care about
    this? I am thinking it might be more efficient to point the MX records
    directly to, any opinions?
    Simon Geary, Nov 24, 2005
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  2. MX records must have A records or your A record for your domain name must
    point to the mail server IP.

    Best regards,
    Kevin D. Goodknecht Sr. [MVP]
    Hope This Helps
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    Kevin D. Goodknecht Sr. [MVP], Nov 25, 2005
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